LK Brothers specializes in aircon troubleshooting and repair in Singapore, fixing common problems like weak cooling, water leaks, and noisy units.
Our certified technicians inspect and repair all major brands, ensuring fast response and reliable workmanship backed by a 90-day service warranty. We check every key component — filters, coils, compressor, and drainage system — to identify the cause and restore your aircon’s cooling performance efficiently.
Caused by dirty coils, low gas, or compressor issues — we diagnose and fix quickly.
Blocked drainage or frozen coils can cause dripping water indoors.
Buzzing or rattling sounds indicate loose components or worn-out bearings.
Mould or bacteria buildup inside filters and evaporator coil creates foul smells.
Flashing lights or error codes often indicate sensor or circuit board faults.
Could be due to blown fuse, wiring issue, or defective capacitor.
When your aircon isn’t cooling properly, leaking water, or making strange noises, it’s often a sign of an underlying issue that needs professional attention.
At LK Brothers, our experienced technicians provide reliable aircon troubleshooting and repair services to identify the root cause quickly and restore your cooling system to peak performance.
| Aircon Type | Price (SGD) |
|---|---|
| Troubleshooting | $43.60 |
| VRV / VRF System | $163.50 |
Every service follows a precise 4-step procedure to ensure quality, reliability, and long-lasting cooling performance.
Check unit condition, filter cleanliness, and electrical components.
Run pressure, temperature, and electrical tests to identify issues.
Perform necessary cleaning, gas top-up, or part replacement.
Verify cooling efficiency and safety before completion.
Fast Response
With over a decade of experience, LK Brothers Engineering is trusted by thousands of homeowners and businesses. We combine professional expertise, transparent pricing, and reliable after-service support to deliver exceptional results every time.
Our team provides services with workmanship that promises 100% satisfaction.
Delivering fast, reliable and transparent service for complete customer peace of mind.
Transparent pricing with clear breakdowns — what we quote is what you pay.
Our services come with a 90 days warranty for your peace of mind in case any issues were to arise.
Count on us for prompt, dependable solutions and outstanding service - ensuring your comfort and peace of mind, anytime.
Your comfort and peace of mind are our priority — we strive to deliver quality service that meets your expectations every time.
Don’t wait until your aircon breaks down completely — contact LK Brothers for fast and reliable diagnosis anywhere in Singapore.
Schedule an inspection for quick help.
One of the most common issues we fix during aircon troubleshooting in Singapore is when the unit blows warm air. Common causes include:
Our technician will check each component to identify the cause before repair or cleaning.
Aircon water leakage usually happens due to poor drainage or dirt buildup. Common reasons include:
We provide full inspection and cleaning to stop leaks and prevent future water damage.
If your aircon makes rattling, buzzing, or clicking sounds, it’s a sign that some parts may be loose or damaged.
During aircon troubleshooting, our technician will inspect and secure all components to prevent further wear.
Different brands show different aircon error codes. Common causes include:
Our team uses diagnostic tools to identify and reset the code safely. Do not try to reset without checking the fault source first.
This issue, called “short cycling,” is a common sign of improper cooling balance or electrical faults.
We will run a full check to determine whether it needs servicing or repair.
Yes. LK Brothers technicians are trained to troubleshoot and repair all major brands in Singapore, including:
We also handle installation and chemical wash for various brands.
Yes. LK Brothers provides same-day aircon troubleshooting and emergency repair across Singapore (subject to slot availability).
Yes. All aircon repair and troubleshooting work comes with a 90-day workmanship warranty.
We ensure every repair is tested and safe before completion for long-term reliability.
LK Brothers provides a complete range of air conditioning services in Singapore — from deep cleaning to professional installation. Explore our other services below to keep your cooling system in top condition all year round.
